公开(公告)号：US07962138B2

公开(公告)日：2011-06-14

申请号：US11703599

申请日：2007-02-07

申请人： Eun-Hui Bae ,  Sung-Ho Choi ,  O-Sok Song ,  Beom-Sik Bae ,  No-Jun Kwak ,  Gert Jan Van Lieshout

发明人： Eun-Hui Bae ,  Sung-Ho Choi ,  O-Sok Song ,  Beom-Sik Bae ,  No-Jun Kwak ,  Gert Jan Van Lieshout

IPC分类号： H04W36/00

CPC分类号： H04W60/00

摘要： A method and apparatus is provided for reducing a signaling overhead in routing area update performed by a mobile station in a mobile communication system. The method includes grouping cells of the mobile communication system into predetermined cell groups by the network entity, wherein each of the predetermined cell groups is a minimum unit for routing area update; determining cell group identifiers of the cell groups by the network entity; and determining metric information for determining a shape of the routing area by the network entity.

摘要翻译： 提供了一种用于减少由移动通信系统中的移动台执行的路由区域更新中的信令开销的方法和装置。 该方法包括：由网络实体将移动通信系统的小区分组成预定小区组，其中每个预定小区组是用于路由区域更新的最小单元; 由网络实体确定小区组的小区组标识符; 以及确定由所述网络实体确定所述路由区域的形状的度量信息。

公开(公告)号：US20070202879A1

公开(公告)日：2007-08-30

申请号：US11703599

申请日：2007-02-07

申请人： Eun-Hui Bae ,  Sung-Ho Choi ,  O-Sok Song ,  Beom-Sik Bae ,  No-Jun Kwak ,  Gert Jan Lieshout

发明人： Eun-Hui Bae ,  Sung-Ho Choi ,  O-Sok Song ,  Beom-Sik Bae ,  No-Jun Kwak ,  Gert Jan Lieshout

IPC分类号： H04Q7/20

CPC分类号： H04W60/00

摘要： A method and apparatus is provided for reducing a signaling overhead in routing area update performed by a mobile station in a mobile communication system. The method includes grouping cells of the mobile communication system into predetermined cell groups by the network entity, wherein each of the predetermined cell groups is a minimum unit for routing area update; determining cell group identifiers of the cell groups by the network entity; and determining metric information for determining a shape of the routing area by the network entity.

摘要翻译： 提供了一种用于减少由移动通信系统中的移动台执行的路由区域更新中的信令开销的方法和装置。 该方法包括：由网络实体将移动通信系统的小区分组成预定小区组，其中每个预定小区组是用于路由区域更新的最小单元; 由网络实体确定小区组的小区组标识符; 以及确定由所述网络实体确定所述路由区域的形状的度量信息。

公开(公告)号：US20080020745A1

公开(公告)日：2008-01-24

申请号：US11784114

申请日：2007-04-05

申请人： Eun-Hui Bae ,  Sung-Ho Choi ,  O-Sok Song ,  No-Jun Kwak

发明人： Eun-Hui Bae ,  Sung-Ho Choi ,  O-Sok Song ,  No-Jun Kwak

IPC分类号： H04Q7/20

CPC分类号： H04W60/04 ,  H04W8/04 ,  H04W88/06 ,  H04W92/02

摘要： A method for supporting a communication service of an idle mode terminal located in a common routing area in a mobile communication system that includes a Node B, an Access Gateway (AGW), and a Home Subscriber Server (HSS), and has a Long Term Evolution (LTE) network and a 3rd Generation (3G) network connected to each other to perform transmission/reception. The AGW receives tracking area information of the LTE network, including routing area information of the 3G network, from the idle mode terminal via the Node B. The AGW sends common routing area indication information and identification information of the terminal to the HSS if the routing area information is coincident with the tracking area information. The HSS stores the common routing area indication information and the identification information of the terminal, and sends a response message according to the indication information.

摘要翻译： 一种用于支持位于包括节点B，接入网关（AGW）和归属订户服务器（HSS）的移动通信系统中的公共路由区域中的空闲模式终端的通信服务的方法，并且具有长期 演进（LTE）网络和连接到彼此的3G（3G）网络进行发送/接收。 AGW经由节点B从空闲模式终端接收LTE网络的跟踪区域信息，包括3G网络的路由区域信息。如果路由选择，AGW向HSS发送公共路由区域指示信息和终端的识别信息 区域信息与跟踪区域信息一致。 HSS存储公共路由区域指示信息和终端的识别信息，并根据指示信息发送响应消息。

公开(公告)号：US20070036109A1

公开(公告)日：2007-02-15

申请号：US11482109

申请日：2006-07-07

申请人： No-Jun Kwak ,  Sung-Ho Choi ,  Soeng-Hun Kim ,  Kyeong-In Jeong ,  Eun-Hui Bae ,  Han-Na Lim ,  O-Sok Song

发明人： No-Jun Kwak ,  Sung-Ho Choi ,  Soeng-Hun Kim ,  Kyeong-In Jeong ,  Eun-Hui Bae ,  Han-Na Lim ,  O-Sok Song

IPC分类号： H04Q7/00

CPC分类号： H04W36/0066 ,  H04W36/0011 ,  H04W36/14 ,  H04W76/22 ,  H04W92/02

摘要： A method and apparatus performs handover from an OFDM-based E-UMTS system to a CDMA-based UMTS system. A UE in communication with a PDN via the E-UMTS system, measures signal strength of the UMTS system, and sends a measurement report message indicating the measured signal strength to the E-UMTS system. A radio access network (E-RAN) of the E-UMTS system, determines whether to perform handover from the E-UMTS system to the UMTS system based on the measured signal strength. If the handover is to be performed, a core network (E-CN) of the E-UMTS system generates a PDP context and an MM context for the UE in response to a handover request from the E-RAN. The E-CN sets up a data tunnel for the UE to a GGSN of the UMTS system using the PDP/MM context. After setting up the data tunnel, the E-CN sends to the UE a handover command message including information on a radio bearer (RB) to be used by the UE to access the UMTS system. The UE accesses the UMTS system using the RB information. After accessing the UMTS system, the UE forwards user data for the UE via a data transmission path composed of the E-CN, the data tunnel, a SGSN, and a RAN of the UMTS system, between the PDN and the UE.

摘要翻译： 方法和装置执行从基于OFDM的E-UMTS系统到基于CDMA的UMTS系统的切换。 经由E-UMTS系统与PDN通信的UE测量UMTS系统的信号强度，并向E-UMTS系统发送指示测量信号强度的测量报告消息。 E-UMTS系统的无线接入网络（E-RAN）基于测量的信号强度来确定是否执行从E-UMTS系统到UMTS系统的切换。 如果要执行切换，E-UMTS系统的核心网络（E-CN）响应于来自E-RAN的切换请求，为UE生成PDP上下文和MM上下文。 E-CN使用PDP / MM上下文为UE建立到UMTS系统的GGSN的数据隧道。 在建立数据隧道之后，E-CN向UE发送切换命令消息，该切换命令消息包括要被UE用于接入UMTS系统的无线承载（RB）信息。 UE使用RB信息访问UMTS系统。 在接入UMTS系统之后，UE经由PDN与UE之间的E-CN，数据隧道，SGSN和RAN的RAN组成的数据传输路径转发UE的用户数据。

公开(公告)号：US07953042B2

公开(公告)日：2011-05-31

申请号：US11482109

申请日：2006-07-07

申请人： No-Jun Kwak ,  Sung-Ho Choi ,  Soeng-Hun Kim ,  Kyeong-In Jeong ,  Eun-Hui Bae ,  Han-Na Lim ,  O-Sok Song

发明人： No-Jun Kwak ,  Sung-Ho Choi ,  Soeng-Hun Kim ,  Kyeong-In Jeong ,  Eun-Hui Bae ,  Han-Na Lim ,  O-Sok Song

IPC分类号： H04W4/00 ,  H04B7/26

CPC分类号： H04W36/0066 ,  H04W36/0011 ,  H04W36/14 ,  H04W76/22 ,  H04W92/02

摘要： A method and apparatus performs handover from an OFDM-based E-UMTS system to a CDMA-based UMTS system. A UE in communication with a PDN via the E-UMTS system, measures signal strength of the UMTS system, and sends a measurement report message indicating the measured signal strength to the E-UMTS system. A radio access network (E-RAN) of the E-UMTS system, determines whether to perform handover from the E-UMTS system to the UMTS system based on the measured signal strength. If the handover is to be performed, a core network (E-CN) of the E-UMTS system generates a PDP context and an MM context for the UE in response to a handover request from the E-RAN. The E-CN sets up a data tunnel for the UE to a GGSN of the UMTS system using the PDP/MM context. After setting up the data tunnel, the E-CN sends to the UE a handover command message including information on a radio bearer (RB) to be used by the UE to access the UMTS system. The UE accesses the UMTS system using the RB information. After accessing the UMTS system, the UE forwards user data for the UE via a data transmission path composed of the E-CN, the data tunnel, a SGSN, and a RAN of the UMTS system, between the PDN and the UE.

摘要翻译： 方法和装置执行从基于OFDM的E-UMTS系统到基于CDMA的UMTS系统的切换。 经由E-UMTS系统与PDN通信的UE测量UMTS系统的信号强度，并向E-UMTS系统发送指示测量信号强度的测量报告消息。 E-UMTS系统的无线接入网络（E-RAN）基于测量的信号强度来确定是否执行从E-UMTS系统到UMTS系统的切换。 如果要执行切换，E-UMTS系统的核心网络（E-CN）响应于来自E-RAN的切换请求，为UE生成PDP上下文和MM上下文。 E-CN使用PDP / MM上下文为UE建立到UMTS系统的GGSN的数据隧道。 在建立数据隧道之后，E-CN向UE发送切换命令消息，该切换命令消息包括要被UE用于接入UMTS系统的无线承载（RB）信息。 UE使用RB信息访问UMTS系统。 在接入UMTS系统之后，UE经由PDN与UE之间的E-CN，数据隧道，SGSN和RAN的RAN组成的数据传输路径转发UE的用户数据。

公开(公告)号：US20070041346A1

公开(公告)日：2007-02-22

申请号：US11486371

申请日：2006-07-14

申请人： Eun-Hui Bae ,  Sung-Ho Choi ,  No-Jun Kwak ,  O-Sok Song ,  Han-Na Lim

发明人： Eun-Hui Bae ,  Sung-Ho Choi ,  No-Jun Kwak ,  O-Sok Song ,  Han-Na Lim

IPC分类号： H04Q7/00

CPC分类号： H04W36/0033 ,  H04W36/14 ,  H04W80/04 ,  H04W88/16

摘要： A method and apparatus for performing an inter-RAN L2 handover and an inter-CN L3 handover in a packet-switched network are provided. When a UE connected to an old CN through the old RAN moves to a new RAN belonging to a new CN, an old RAN sends a handover required message to a new RAN. The new RAN acquires a new IP address for the UE from the new CN and sends a handover command message including the new IP address to the old RAN. The old RAN forwards the handover command message comprising an address of the new RAN to the UE. The UE performs an inter-RAN handover in response to the handover command message, to communicate with the old CN through the new RAN and performs an inter-CN handover based on the new IP address to communicate with the new CN through the new RAN.

摘要翻译： 提供了一种在分组交换网络中执行RAN间切换和CN间切换的方法和装置。 当通过旧的RAN连接到旧的CN的UE移动到属于新的CN的新的RAN时，旧的RAN向新的RAN发送切换所需的消息。 新的RAN从新的CN获取UE的新IP地址，并向旧的RAN发送包括新的IP地址的切换命令消息。 旧的RAN将包括新RAN的地址的切换命令消息转发给UE。 UE响应于切换命令消息执行RAN间切换，通过新的RAN与旧的CN通信，并且基于新的IP地址执行CN间切换，以通过新的RAN与新的CN通信。

公开(公告)号：US08582566B2

公开(公告)日：2013-11-12

申请号：US11790000

申请日：2007-04-26

申请人： Eun-Hui Bae ,  O-Sok Song ,  Sung-Ho Choi ,  Tae-Sun Yeoum ,  Han-Na Lim

发明人： Eun-Hui Bae ,  O-Sok Song ,  Sung-Ho Choi ,  Tae-Sun Yeoum ,  Han-Na Lim

IPC分类号： H04L12/66

CPC分类号： H04L29/06027 ,  H04L65/1006 ,  H04L65/1069 ,  H04L65/80 ,  H04L69/24

摘要： Disclosed is a method and system for mutually exchanging capability information of UEs for communication between a Circuit-Switched (CS) and IMS services (CSI) UE, which can use a CS call for voice communication while using an IMS session for PS service, and an IMS UE which uses an IMS session for both voice communication and PS service. A MGCF performs interworking of capability information between a CS message and an IMS message so that the IMS UE can process UE capability information through an IMS session request/response. When a call request message containing no capability information is created from a UE not supporting capability exchange, a CSI AS transfers the call request message to a peer UE after inserting estimable capability information of the UE into the call request message, and stores capability information of the counterpart UE for the UE.

摘要翻译： 公开了一种用于在电路交换（CS）和IMS服务（CSI）UE之间进行通信的UE的能力信息的相互交换的方法和系统，其可以在使用用于PS服务的IMS会话期间使用用于语音通信的CS呼叫，以及 IMS UE用于语音通信和PS服务的IMS会话。 MGCF执行CS消息和IMS消息之间的能力信息的互通，使得IMS UE可以通过IMS会话请求/响应来处理UE能力信息。 当从不支持能力交换的UE创建不包含能力信息的呼叫请求消息时，CSI AS在将UE的可估计能力信息插入到呼叫请求消息中之后将呼叫请求消息传送到对等体UE，并且存储 UE的对端UE。

公开(公告)号：US07805754B2

公开(公告)日：2010-09-28

申请号：US11272475

申请日：2005-11-14

申请人： O-Sok Song ,  Sung-Ho Choi ,  Eun-Hui Bae ,  Chong-Ho Choi ,  Young-Jip Kim ,  Dong-Young Kim

发明人： O-Sok Song ,  Sung-Ho Choi ,  Eun-Hui Bae ,  Chong-Ho Choi ,  Young-Jip Kim ,  Dong-Young Kim

IPC分类号： H04L29/06

CPC分类号： H04L63/0272 ,  H04L63/061 ,  H04L63/08 ,  H04L63/0869 ,  H04L63/162 ,  H04W8/06 ,  H04W8/14 ,  H04W80/04

摘要： A communication method and apparatus using the IP address of a gateway for an MN in a VPN are provided. When the MN is to access the VPN, the gateway acting an FA in the VPN performs a Mobile IP registration on behalf of the MN and is allocated a HoA for the MN from an HA. Therefore, the number of addresses required for the Mobile IP registration of the MN is reduced and overlap between an IP-in-IP tunnel for Mobile Internet and an IPsec tunnel for the VPN is avoided. As a result, packet transmission overhead is reduced.

摘要翻译： 提供了使用VPN中的MN的网关的IP地址的通信方法和装置。 当MN要访问VPN时，在VPN中执行FA的网关代表MN执行移动IP注册，并从HA分配给MN的HoA。 因此，MN的移动IP注册所需的地址数量减少，并且避免了用于移动互联网的IP-in-IP隧道和VPN的IPsec隧道之间的重叠。 结果，分组传输开销降低。

公开(公告)号：US20080291874A1

公开(公告)日：2008-11-27

申请号：US12053825

申请日：2008-03-24

申请人： Eun-Hui Bae ,  Sung-Ho Choi ,  O-Sok Song ,  Tae-Sun Yeoum ,  Han-Na Lim ,  Jai-Yong Lee ,  Hyun-Duk Jung ,  Kyung-Min Kim

发明人： Eun-Hui Bae ,  Sung-Ho Choi ,  O-Sok Song ,  Tae-Sun Yeoum ,  Han-Na Lim ,  Jai-Yong Lee ,  Hyun-Duk Jung ,  Kyung-Min Kim

IPC分类号： H04Q7/00

CPC分类号： H04W36/30 ,  H04W36/0022 ,  H04W36/0033 ,  H04W80/10 ,  H04W88/06

摘要： Provided is a handover method, in which a call manager of a network having a Circuit Switching (CS) network, a Long Term Evolution (LTE) network, and an Internet Protocol Multimedia Subsystem (IMS) network, provides handover, from the LTE network to the CS network, to a terminal that uses one radio channel. The handover method includes upon receiving a request for handover from the terminal via a node of the LTE network, establishing a line to a Mobile Switching Center (MSC) of the CS network; sending, to the call manager, a request for a change in a session to another party's terminal in communication with the terminal, to establish an Internet Protocol (IP) bearer between the call manager and the other party's terminal; and sending a handover command to the terminal during the establishment of an IP bearer, to establish a radio channel to the base station of the CS network.

摘要翻译： 提供了一种切换方法，其中具有电路交换（CS）网络，长期演进（LTE）网络和因特网协议多媒体子系统（IMS）网络的网络的呼叫管理器从LTE网络提供切换 到CS网络，到使用一个无线电信道的终端。 切换方法包括：经由LTE网络的节点从终端接收到切换请求，建立到CS网络的移动交换中心（MSC）的线路; 向所述呼叫管理器发送对与所述终端通信的另一方的终端的会话改变的请求，以在所述呼叫管理器与所述另一方的终端之间建立因特网协议（IP）承载; 以及在建立IP承载期间向终端发送切换命令，以建立到CS网络的基站的无线电信道。

公开(公告)号：US20080175157A1

公开(公告)日：2008-07-24

申请号：US11972917

申请日：2008-01-11

申请人： Han-Na Lim ,  Tae-Sun Yeoum ,  Eun-Hui Bae ,  O-Sok Song ,  Sung-Ho Choi

发明人： Han-Na Lim ,  Tae-Sun Yeoum ,  Eun-Hui Bae ,  O-Sok Song ,  Sung-Ho Choi

IPC分类号： H04L12/26

CPC分类号： H04L65/1073 ,  H04L65/1016 ,  H04L69/40

摘要： A method and system in which upon occurrence of a P-CSCF failure, a network sends an IMS reregistration request message to a UE. An S-CSCF or an AS monitors a P-CSCF to detect occurrence of a failure in the P-CSCF. Upon detecting the occurrence of a P-CSCF failure, the S-CSCF or the AS sends a request message for IMS reregistration to the UEs being served by the failed P-CSCF. In this manner, the UE can continuously receive the service even though a failure occurs in the P-CSCF.

摘要翻译： 一种发生P-CSCF故障的方法和系统，网络向UE发送IMS重新注册请求消息。 S-CSCF或AS监视P-CSCF以检测P-CSCF中的故障的发生。 在检测到P-CSCF故障的发生时，S-CSCF或AS向由失败的P-CSCF服务的UE发送用于IMS重新注册的请求消息。 以这种方式，即使在P-CSCF中发生故障，UE也可以连续地接收服务。